john dickerson joins us from washington, john, thank you. overseas, pope benedict prayed with people in london with people who had been sexually abiewlzed by priests but today thousands still protested the church's handling of the crisis. we have more from elizabeth palmer. >> reporter: it was on day three of pope benedict's visit at mass in london's catholic cathedral that he addressedly the sexual abuse of children in some of his most direct comment yet. >> above all, i express my deep sorrow to the innocent victims of these unspeakable crimes. >> reporter: after the service in private, the pope met with five british victims of arb biews. a vatican statement said he told them the church is doing all in its power to bring to justice clergy accused of these egregious crimes. but critics simply don't believe it. >> the pope has made many apologies, but he always apologizes for other people and their failings, never for his own. he knew about child sex abuse for years and years and years and 99% of cases he failed to bring the perpetrators to